Which of the following represents the Primary Four Vital Signs?

• A. Height; Weight; BMI; Head circumference
• B. Pulse; Blood Pressure; Oxygen Saturation; Temperature
• C. Blood Pressure; Pulse; Respiratory Rate; Body Temperature
• D. Heart Rate; Respiratory Rate; Temperature; Blood Pressure

Answer: (C)

The main concept is identifying the four measurements that are routinely collected to gauge a patient’s basic status: temperature, pulse, respiratory rate, and blood pressure. Together these give a quick sense of metabolic heat, cardiovascular function, breathing, and perfusion.

The option that lists Blood Pressure, Pulse, Respiratory Rate, and Body Temperature matches those four signs exactly. It uses common terms for each measurement and covers the full set instructors expect as the primary vital signs.

Other options differ in either including body measurements like height and weight (which aren’t vital signs), adding oxygen saturation (often treated as a fifth vital sign rather than one of the primary four), or swapping a term (Heart Rate versus Pulse). Those distinctions move away from the standard quartet, which is why the chosen option is the best fit.